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Influence of Specimen Geometry on Strain Localization Phenomena in Steel Sheets

Abstract : Strain localization in low carbon steel DC04 undergoing uniaxial tension is investigated by Electronic Speckle Pattern Interferometry (ESPI). The necking in the sheet specimens occurs by forming two narrow crossing bands. A model of strain rate distribution is used to extract quantitative information about the localization bands, such as bandwidths, bands orientations and their maximum strain rates. Thus, their evolutions are followed from the diffuse necking up to the rupture. The influence of specimen geometry on localization phenomenon is studied.
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https://hal-utt.archives-ouvertes.fr/hal-02278366
Contributor : Jean-Baptiste Vu Van <>
Submitted on : Wednesday, September 4, 2019 - 12:51:12 PM
Last modification on : Wednesday, May 20, 2020 - 9:26:04 AM

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Chengheri Bao, Manuel Francois, Léa Le Joncour. Influence of Specimen Geometry on Strain Localization Phenomena in Steel Sheets. Applied Mechanics and Materials, Trans Tech Publications, 2015, 784, pp.514-519. ⟨10.4028/www.scientific.net/AMM.784.514⟩. ⟨hal-02278366⟩

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